void Handle::reposition(void)
{
double sw = 0, sh = 0;
double nxpos, nypos;
CanvasItem *parent = dynamic_cast<CanvasItem *> (parentItem());
if (parent == NULL)
{
return;
}
int hflags = handleFlags();
if (hflags & HAN_POINT)
{
#if 0
int index = get_identn(3);
Polygon *poly = dynamic_cast<Polygon *> (parentItem());
assert(poly != NULL);
poly->getPointPos(index, &nxpos, &nypos);
#endif
}
else if (hflags & HAN_SEPARA)
{
Separation *separation = dynamic_cast<Separation *> (parentItem());
nxpos = separation->handle_x;
nypos = separation->handle_y;
}
else
{
sw = parent->width();
sh = parent->height();
if (xrel == HPLACE_MIN)
{
nxpos = - (sw / 2) + xoff;
}
else if (xrel == HPLACE_ZERO)
{
nxpos = 0 + xoff;
}
else // if (xrel == HPLACE_MAX)
{
nxpos = + (sw / 2) + xoff;
}
if (yrel == HPLACE_MIN)
{
nypos = - (sh / 2) + yoff;
}
else if (yrel == HPLACE_ZERO)
{
nypos = 0 + yoff;
}
else // if (yrel == HPLACE_MAX)
{
nypos = + (sh / 2) + yoff;
}
}
if ((nxpos != x()) || (nypos != y()))
{
// If the handle has been moved.
QGraphicsItem::setPos(nxpos, nypos);
}
}
int main(int argc, char *argv[]){
/* First, analyze the flags */
handleFlags(argc, argv);
return EXIT_SUCCESS;
}
